Description
A vulnerability was determined in ggml-org llama.cpp e15efe0. Affected by this issue is some unknown functionality of the file common/jinja/parser.cpp of the component Jinja Minja Template Parser. Executing a manipulation with the input {{9|9|{ can lead to reachable assertion. The attack requires local access. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| ggml-org | llama.cpp | e15efe0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | llama.cpp | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | llama.cpp | No fix yet | — |
| Ubuntu 26.04 LTS | llama.cpp | No fix yet | — |
References
- VDB-385409 | ggml-org llama.cpp Jinja Minja Template parser.cpp assertion vdb-entry technical-description
- VDB-385409 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-18581 | CVE Analysis and Report third-party-advisory
- Submit #799118 | ggml-org llama.cpp confirmed commit e15efe0 CWE-617 (Reachable Assertion) third-party-advisory
- https://github.com/ggml-org/llama.cpp/issues/25282 issue-tracking
- https://drive.proton.me/urls/R8D8NGZ6Z0#C2cVZYn5z1Xc exploit
- https://github.com/ggml-org/llama.cpp/ product